Jaffe is thought to have left the company in the past few weeks. It is unclear if he is to be replaced or if he had a job to go to.
Westmill Foods supplies ethnic foods, such as rices and spices, to the major supermarkets.
Jaffe had been at Westmill Foods for several years. He had previously held a number of key marketing roles, including a senior marketing role at Heinz.
He also occupied a senior marketing post at Orange Glo, the household cleaning company, which he left in 2003 to join Heinz.
Jaffe has also held the position of international marketing manager at William Grant & Sons, the whisky producers, and also worked at United Distillers and Vintners, where he was marketing manager for Gordon's Gin.
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